I have the following Bass Trombone Mouthpieces for sale: Marcinkiewicz Model 1 (oversized one and a half G)g @ £30.00 ono as new. Denis Wick 2AL used condition gold plate model £23.00 ono Stork Custom (Oversized one & a half G) £25.00 ono with minimal use. Giardinelli Screw Rim 1G worn plating £15.00 ono. Please pm me or e mail me on firstname.lastname@example.org. Get your bargain now as I know use a Doug Yeo bought via the mouthpiece web shopping system.